#include <stdio.h>
#define OK 1
#define ERROR 0
#define OVERFLOW -2
typedef struct complex{
    double x;
    double y;
}ElemType;
typedef struct LNode{
    struct LNode* next;
    ElemType date;
}LNode,*Linklist;
typedef struct list{
    Linklist head;
    Linklist tail;
    int size;
}list;

int main()
{

}